1 /*-
2 * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26 #ifndef __DWC_HDMI_H__
27 #define __DWC_HDMI_H__
28
29 struct dwc_hdmi_softc {
30 device_t sc_dev;
31 struct resource *sc_mem_res;
32 int sc_mem_rid;
33 uint32_t sc_reg_shift;
34 device_t (*sc_get_i2c_dev)(device_t);
35
36 uint8_t *sc_edid;
37 uint8_t sc_edid_len;
38 struct intr_config_hook sc_mode_hook;
39 struct videomode sc_mode;
40
41 struct edid_info sc_edid_info;
42 int sc_has_audio;
43 };
44
45 static inline uint8_t
RD1(struct dwc_hdmi_softc * sc,bus_size_t off)46 RD1(struct dwc_hdmi_softc *sc, bus_size_t off)
47 {
48 return (bus_read_1(sc->sc_mem_res, off << sc->sc_reg_shift));
49 }
50
51 static inline void
WR1(struct dwc_hdmi_softc * sc,bus_size_t off,uint8_t val)52 WR1(struct dwc_hdmi_softc *sc, bus_size_t off, uint8_t val)
53 {
54 bus_write_1(sc->sc_mem_res, off << sc->sc_reg_shift, val);
55 }
56
57 int dwc_hdmi_get_edid(device_t, uint8_t **, uint32_t *);
58 int dwc_hdmi_set_videomode(device_t, const struct videomode *);
59 int dwc_hdmi_init(device_t);
60
61 #endif /* __DWC_HDMI_H__ */
62